I ran the PreFlight Check - Model Checker and got this Error at the bottom of the window.
IronPython Traceback:
Traceback (most recent call last):
File "C:\Users\ian\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Project.panel\Preflight Checks.pushbutton\script.py", line 38, in <module>
File "C:\Users\ian\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\pyRevit.tab\Project.panel\Preflight Checks.pushbutton\script.py", line 32, in ask_for_preflight_checks
File "C:\Users\ian\AppData\Roaming\pyRevit-Master\pyrevitlib\pyrevit\preflight\__init__.py", line 69, in run_preflight_check
File "C:\Users\ian\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\checks\modelchecker_check.py", line 1241, in startTest
File "C:\Users\ian\AppData\Roaming\pyRevit-Master\extensions\pyRevitTools.extension\checks\modelchecker_check.py", line 1168, in checkModel
AttributeError: 'NoneType' object has no attribute 'Name'
Script Executor Traceback:
System.MissingMemberException: 'NoneType' object has no attribute 'Name'
at Microsoft.Scripting.Interpreter.ThrowInstruction.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run3[T0,T1,T2,TRet](T0 arg0, T1 arg1, T2 arg2)
at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
at lambda_method(Closure , Object[] , StrongBox`1[] , InterpretedFrame )
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run3[T0,T1,T2,TRet](T0 arg0, T1 arg1, T2 arg2)
at System.Dynamic.UpdateDelegates.UpdateAndExecute4[T0,T1,T2,T3,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
at Microsoft.Scripting.Interpreter.FuncCallInstruction`7.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run5[T0,T1,T2,T3,T4,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
at IronPython.Compiler.Ast.CallExpression.Invoke2Instruction.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
at IronPython.Compiler.PythonCallTargets.OriginalCallTarget3(PythonFunction function, Object arg0, Object arg1, Object arg2)
at Microsoft.Scripting.Interpreter.FuncCallInstruction`6.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run6[T0,T1,T2,T3,T4,T5,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5)
at System.Dynamic.UpdateDelegates.UpdateAndExecute5[T0,T1,T2,T3,T4,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
at Microsoft.Scripting.Interpreter.FuncCallInstruction`8.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run6[T0,T1,T2,T3,T4,T5,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5)
at Microsoft.Scripting.Interpreter.DynamicInstruction`6.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run5[T0,T1,T2,T3,T4,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
at System.Dynamic.UpdateDelegates.UpdateAndExecute4[T0,T1,T2,T3,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3)
at Microsoft.Scripting.Interpreter.DynamicInstruction`5.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run4[T0,T1,T2,T3,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3)
at IronPython.Compiler.PythonCallTargets.OriginalCallTarget3(PythonFunction function, Object arg0, Object arg1, Object arg2)
at Microsoft.Scripting.Interpreter.FuncCallInstruction`6.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run6[T0,T1,T2,T3,T4,T5,TRet](T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5)
at System.Dynamic.UpdateDelegates.UpdateAndExecute5[T0,T1,T2,T3,T4,TRet](CallSite site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4)
at Microsoft.Scripting.Interpreter.DynamicInstruction`6.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run1[T0,TRet](T0 arg0)
at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
at Microsoft.Scripting.Interpreter.DynamicInstruction`3.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.Interpreter.Run(InterpretedFrame frame)
at Microsoft.Scripting.Interpreter.LightLambda.Run2[T0,T1,TRet](T0 arg0, T1 arg1)
at IronPython.Compiler.PythonScriptCode.RunWorker(CodeContext ctx)
at PyRevitLabs.PyRevit.Runtime.IronPythonEngine.Execute(ScriptRuntime& runtime)